FOREWORD

I have been working on various parts of the FreeBSD kernel for the past six years. During that time, my focus has always been on making FreeBSD more robust. This often means maintaining the existing stability of the system while adding new features or improving stability by fixing bugs and/or design flaws in the existing code. Prior to working on FreeBSD, I served as a system administrator for a few networks; my focus was on providing the desired services to users while protecting the network from any malicious actions. Thus, I have always been on the defensive "side" of the game when it comes to security.

Joseph Kong provides an intriguing look at the offensive side in Designing BSD Rootkits. He enumerates several of the tools used for ...

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